Experts say she should have focused on the inside of her body, like her hearing.

A new study conducted by researchers at Johns Hopkins University suggests that the strain of decoding sounds over the years may overwhelm the brain, leaving people with hearing loss at risk for dementia.

In addition, red eyes can be a sign of arthritis.

The cellular process that causes inflammation in joints can also cause it in the eyes.

The study also recommends people check their nails for something called digital clubbing.

Nails that bump at the tips can indicate lung cancer because oxygen is not getting delivered properly.

Hairless toes and feet could be a sign of vascular disease.

If plaque builds up in the arteries, it will cut off blood flow, resulting in dead hair follicles.